/**
 * Copyright 2011 Andreas Kaubisch
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/
package de.easymessage.internal;

import de.easymessage.Channel;
import de.easymessage.ChannelListener;
import de.easymessage.ChannelMessage;
import de.easymessage.ChannelPublisher;

public class DefaultChannelPublisher<T> implements ChannelPublisher<T> {
	private Channel<T> channel;

	public DefaultChannelPublisher() {

	}

	public DefaultChannelPublisher(Channel<T> channel) {
		this.channel = channel;
	}

	/* (non-Javadoc)
	 * @see de.easymessage.internal.ChannelPublisher#getChannel()
	 */
	@Override
	public Channel<T> getChannel() {
		return channel;
	}

	/* (non-Javadoc)
	 * @see de.easymessage.internal.ChannelPublisher#setChannel(de.easymessage.Channel)
	 */
	@Override
	public void setChannel(Channel<T> channel) {
		this.channel = channel;
	}

	/* (non-Javadoc)
	 * @see de.easymessage.internal.ChannelPublisher#publish(de.easymessage.ChannelMessage)
	 */
	@Override
	public void publish(ChannelMessage<T> channelMessage) {
		if (channel == null) {
			return;
		}

		for (ChannelListener<T> listener : channel.getListenerList()) {
			listener.handleMessage(channelMessage);
		}
	}
}
